Finding the Fourth Proportional to 11,421,019.12, 15,760,964.36 and 7,069,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,421,019.12 : 15,760,964.36 = 7,069,238.96 : x
2. Step 2: Convert to fraction form
   11,421,019.12/15,760,964.36 = 7,069,238.96/x
3. Step 3: Cross multiply
   11,421,019.12x = 15,760,964.36 × 7,069,238.96
4. Step 4: Simplify right side
   11,421,019.12x = 111,418,023,300,883.45
5. Step 5: Solve for x
   x = 111,418,023,300,883.45/11,421,019.12
6. Step 6: Final answer
   x = 9,755,523.75